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Frequency Response Function

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Dear Ivar Kjelberg

This question has troubled me some days, I hope you give me some advises.
A cantilever plate: the length 300mm, the width 200mm, the thickness 6mm;
The clamped end dimension: the length 60mm, the width 50mm, the thickness 6mm;
The Young’s modulus 56e9 Pa, the Poisson’s ration 0.27, the density 2646kg/m^3, the damping parameter, loss factor is 0.02.
The first method:
I give a sine sweep in the point 1(F=1N), and get responsive acceleration in the point 2.
How to get frequency response function (g/N vs. frequency) between point 2 and point 1?

The second method:
If giving a pulse force in the point 1(F=1N), and get responsive acceleration in the point 2. In Comsol, I give s step function in the point 1, but I don’t known to do in next step.
I attach my module structural.
Thanks in advance!

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